Sw1, Sw2, Sw3 and Sw4: pulse shape, gap between pulses and stimuli frequency simultaneously change in 4 different combinations; this also refers to the additional variation of the number of impulses in a burst

Sw1, Sw2, Sw3 and Sw4: pulse shape, gap between pulses and stimuli frequency simultaneously change in 4 different combinations; this also refers to the additional variation of the number of impulses in a burst

Sw1, Sw2, Sw3 and Sw4: pulse shape, gap between pulses and stimuli frequency simultaneously change in 4 different combinations; this also refers to the additional variation of the number of impulses in a burst